Australia has long relied on population growth to expand its economy.

New migrants bring valuable skills, fill labour shortages, start businesses and contribute to the nation's tax base. At the same time, Australia's birth rate has fallen below the level needed to replace the population over the long term, meaning natural increase alone would eventually lead to an ageing population and slower workforce growth.

But another question is becoming increasingly difficult to ignore.

Can Australia's infrastructure keep pace with its population?

Across the country, housing shortages remain a major concern.

Families struggle to buy their first home.

Renters compete for a limited number of properties.

Construction companies face labour shortages while builders continue working through high material and financing costs.

Housing is only one part of the equation.

Growing communities also require new schools.

Hospitals.

General practitioners.

Childcare centres.

Public transport.

Roads.

Water and electricity infrastructure.

Each additional resident increases demand for services that often take years to plan, approve and build.

That has led many Australians to ask whether infrastructure planning should move ahead of population growth rather than attempting to catch up afterwards.

The question is not whether Australia should welcome migrants.

Migration has helped shape the nation for generations and continues to provide important economic and social benefits.

The question is whether governments at all levels are coordinating population policy with infrastructure investment.

If Australia's economy requires additional workers, can sufficient housing be built before demand places further pressure on prices?

Can hospitals recruit enough doctors and nurses?

Can schools expand classrooms before enrolments exceed capacity?

Can transport systems accommodate larger populations without increasing congestion?

These are planning questions as much as immigration questions.

Australia's long-term prosperity will depend on both attracting the people it needs and ensuring communities have the infrastructure to support them.

Population growth and infrastructure should not compete with one another.

They should be planned together.

Australians are unlikely to object to growth itself.

They are more likely to question growth that consistently outpaces the nation's ability to provide homes, healthcare, education and essential services.

The debate is therefore broader than migration alone.

It is about whether Australia is planning today for the country it expects to have tomorrow.